| Rank | Board name and description | Posts | Members |
| 1 | Forum Auto Automotive discussion (in french) | 24412819 | 427603 |
| 2 | Motor-talk.de German automotive discussion forums | 15978702 | 756571 |
| 3 | Elaborare Italian car and bike tuning community | 11463274 | 56806 |
| 4 | Motor Forum Dutch motors discussion forums | 6160039 | 50545 |
| 5 | Thumper Talk Motocross message boards | 5782002 | 175798 |
| 6 | Adventure rider Adventurous motorcycling forums | 4980489 | 49236 |
| 7 | Visor down Motorbikes message boards | 4846421 | 46826 |
| 8 | Cycling Forums Cycling and bike racing message board | 4628629 | 132874 |
| 9 | Cycle forums Sportsbikes and motorcycling message boards | 3961998 | 65285 |
| 10 | Roller Tuning Page Scooter tuning discussion board | 3845870 | 72060 |
| 11 | The Sportbike Network Motorbike racing and performance forum | 3499764 | 85936 |
| 12 | Sporthoj Swedish sportbikes forum | 3335442 | 37282 |
| 13 | Harley Davidson Forum Harley Davidson owners forums | 3316466 | 60299 |
| 14 | R1 Forum Yamaha R1 motorbikes message boards | 3303139 | 83931 |
| 15 | BARF Bay Area Riders Forum | 3274696 | 22566 |
| 16 | Stunt Life Stunters and motorcycling forum | 3107557 | 66964 |
| 17 | Singapore Bikes Singapore Bikes Forum | 2945448 | 36368 |
| 18 | Exriders Honda motorbikes discussion forums | 2914781 | 75158 |
| 19 | Gixxer Suzuki GSX-R enthousiasts message boards | 2875824 | 96934 |
| 20 | Scooter Forum Dutch message board dedicated to scooters | 2493649 | 30150 |
| 21 | Scooter Freaks Scooter owner community (in dutch) | 2361893 | 52560 |
| 22 | Goped Nation Go-peds scooters forums | 2305405 | 19965 |
| 23 | KTM Talk KTM motorcycles forums | 2244598 | 80840 |
| 24 | Ten Tenths Motorsports message board | 2172181 | 26573 |
| 25 | Scooter Attack Scooter message boards (in German) | 2100886 | 83168 |
| 26 | R6 MessageNet Yamaha R6 owners community | 1859642 | 30095 |
| 27 | Daidegas Forum Motorcycles forum (in italian) | 1829185 | 13076 |
| 28 | Labusas Suzuki motorcycles message boards | 1637895 | 10661 |
| 29 | 600RR Honda 600RR enthusiasts community | 1579791 | 28166 |
| 30 | Performance forums Cars and motorbikes performance forums | 1554487 | 20746 |
| 31 | Aprilia Aprilia motorcycle and scooter discussion board | 1536376 | 32775 |
| 32 | MoppeNet Scooter and Moped forums | 1535386 | 9670 |
| 33 | Moped Portalen Scooter and Moped discussion board | 1483759 | 12447 |
| 34 | Sportbikes.ws Sportbikes discussion board | 1318606 | 34021 |
| 35 | Auto Roule French automotive forums | 1271243 | 4995 |
| 36 | V-Twin Forum Harley Davidson forum | 1255922 | 60323 |
| 37 | KawiForums.com Kawasaki ATV Forums | 1199742 | 34338 |
| 38 | UKGS'er BMW GS motorcycle community | 1164936 | 7218 |
| 39 | SR50 Scooter tuning community (in german) | 1127064 | 8127 |
| 40 | Pacific Northwest Riders Motorcycle rides forum | 1116723 | 8512 |
| 41 | Dirt Rider Motorcycle racing message boards | 1078662 | 73446 |
| 42 | eSportbike Sportbikes message board | 1015119 | 52270 |
| 43 | 1000rr Honda CBR 1000RR motorcycle forum | 998538 | 9630 |
| 44 | Forums Hawaii Hawaiian automotive community | 943078 | 28269 |
| 45 | XL Forum Sportster and Buell motorcycle forum | 913879 | 24590 |
| 46 | Blue traxx Yamaha ATV Forum | 897041 | 23749 |
| 47 | TLZone Suzuki TLR / TLS motorcycles forum | 799751 | 12728 |
| 48 | Sportbikes.com Motorcycles message board | 702654 | 45103 |
| 49 | R6 Forum Yamaha R6 forum | 693423 | 34221 |
| 50 | GSXR Suzuki GSX-R forums | 618487 | 30189 |
| 51 | Sportbikeworld Sportbike message boards | 457218 | 54366 |
| 52 | Ducati.ms Ducati message board | 370690 | 14448 |
| 53 | ZX Forums Kawasaki motorcycles discussion board | 64084 | 11435 |
| 54 | Sport Touring Sportbikes riders forums | 18050 | 1896 |
| 55 | Motorsport Forums - discontinued Car racing and rallying discussion board | 8459 | 19829 |